PUBLIC DATA SOURCE: U.S. EPA ECHO, FRS, RCRA, TRI & FEMA NFHL 3,230,651 Regulated Sites • All 50 States • Data as of November 01, 2026
Home › States › Alaska › Sitka › ZIP 99835
6-IN-1 ZIP CODE ENVIRONMENTAL, WATER, SOIL & FLOOD PROFILE • 99835

ZIP 99835 (Sitka, AK) — Flood Zone, Water Quality, Soil Foundation, Radon & EPA Hazards

Run Full 1-Mile Property Scan in 99835 →

ZIP code 99835 in Sitka, Alaska (Sitka City And County) has 137 EPA-tracked facilities, including 4 High-Risk sites (2.9%), 28 active violators, and $71,475 in federal penalties. Beyond industrial pollution, properties in ZIP 99835 are screened across 24 historical Sitka City And County FEMA disasters, USDA Soil Foundation Shrink-Swell (LOW signal), Tap Water & Watershed Permits (87), and EPA Zone 3 — Low Potential (< 2.0 pCi/L).

Total EPA Sites in 99835
137
High-Risk (2.9% vs 1.2% County)
4
Active Violators (20.4%)
28
Drinking & Clean Water
87
Federal Penalties
$71,475

ZIP 99835 (Sitka, AK) 6-in-1 Flood, Soil Foundation, Tap Water & Radon Signals

🔒 Parcel-Level Soil LEP %, Water Table Depth & Flood Zone Require Street Address Scan
🌊 Flood Zone & FEMA Disaster History
Sitka City And County: 24 FEMA Declarations (12 Flood/Storm)
🔒 Exact Parcel Flood Zone (AE / VE / X) & SFHA Mandatory Insurance Status Locked
Unlock Parcel Flood Zone →
🪨 USDA Soil, Foundation & Water Table
Shrink-Swell Risk Signal: LOW • Pipe Corrosion: High
🔒 Exact USDA Soil Series, Linear Extensibility (LEP %) & Water Table Depth (ft) Locked
Unlock Parcel Soil Test →
🚰 Tap Water (SDWIS) & PFAS Check
2 SDWIS Systems • 85 NPDES Permits
🔒 8 Impaired Water (303d) & 37 Violation Dockets in 99835 Locked
Unlock Utility Violation Log →
☢️ EPA Radon & Karst Sinkhole
EPA Zone 3 — Low Potential (< 2.0 pCi/L)
Low / Non-Karst Bedrock & Alluvial Formation
🔒 0.25-Mi Vapor Intrusion Buffer Locked

📊 ZIP 99835 (Sitka, AK) Statistical Risk Graphs & Multi-Hazard Telemetry

SOURCE: EPA ECHO • USDA SSURGO • FEMA NRI • USGS (November 01, 2026)
1. ZIP 99835 Regulatory & Water Mix
RCRA Hazardous Waste Generators 47 (34.3%)
Clean Water (NPDES) & Drinking Water (SDWIS) 87 (63.5%)
Active EPA Non-Compliance Dockets 28 (20.4%)
High-Risk Enforcement Facilities 4 (2.9%)
2. FEMA NRI & USGS Hazard Index (1–10) Very Low (21.3/100)
🌊 Flood Exposure 1/10 • Very Low Hazard
🔥 Wildfire Hazard 1/10 • Very Low Hazard
☀️ Extreme Heat 3/10 • Insufficient Data
🌪️ Severe Wind / Storm 1/10 • Very Low Hazard
🫨 USGS Earthquake 3/10 • Low Hazard
3. ZIP 99835 vs. County & State Benchmark
ZIP 99835 High-Risk Rate 2.9%
Sitka City And County Average 1.2%
Alaska (AK) Statewide Avg 2.0%
Unlock Street-Level Dossier: Paid report reveals exact facility names, distances in feet, USDA soil LEP %, water table depth, and parcel flood zone.
🔒 Unlock Full 6-in-1 Property Report for 99835 →

ZIP 99835 Sector Screening Map (High-Risk Pin Coordinates Locked)

Exact street pins for 4 High-Risk and 28 Active Violation sites are redacted on public directory maps.

🔒 Unlock Exact Hazard Pin Map →
🔒 4 High-Risk & 28 Violation Pin Coordinates Redacted in ZIP 99835 (Only 3 Low-Risk Preview Pins Shown) Unlock Full Parcel Map & Street Dossier →

Regulated EPA Facilities in ZIP 99835 (Sitka, AK)

100% of High-Risk & penalized facilities have facility names, street names, and dockets redacted (3 Low-Risk compliant records shown as Free Previews).

Unlock Full ZIP 99835 Dossier →
Facility Name / Hazard Type Sector Location (Street Redacted) Risk Score (0–100) Compliance Status Enforcement / Unlock
🔒 Locked High-Risk EPA Enforcement Record #1 🔒 Exact Street & Parcel Redacted • SITKA, AK (ZIP 99835 Sector) HIGH (64/100) Violation Identified (1 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked High-Risk EPA Enforcement Record #2 🔒 Exact Street & Parcel Redacted • SITKA, AK (ZIP 99835 Sector) HIGH (64/100) Significant Violation (11 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked Regulated EPA Enforcement Record #3 🔒 Exact Street & Parcel Redacted • SITKA, AK (ZIP 99835 Sector) MODERATE (51/100) Resolved / Historical Non-Compliance (7 qtrs NC) 🔒 $10,000+ Federal Fine • Unlock →
🔒 Locked Regulated EPA Enforcement Record #4 🔒 Exact Street & Parcel Redacted • SITKA, AK (ZIP 99835 Sector) MODERATE (45/100) Violation Identified (12 qtrs NC) 🔒 12 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #5 🔒 Exact Street & Parcel Redacted • SITKA, AK (ZIP 99835 Sector) MODERATE (44/100) Violation Identified (12 qtrs NC) 🔒 12 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #6 🔒 Exact Street & Parcel Redacted • SITKA, AK (ZIP 99835 Sector) MODERATE (40/100) Violation Identified (1 qtrs NC) 🔒 Federal Penalty on File • Unlock →
🔒 Locked Regulated EPA Enforcement Record #7 🔒 Exact Street & Parcel Redacted • SITKA, AK (ZIP 99835 Sector) MODERATE (39/100) Violation Identified (12 qtrs NC) 🔒 12 Qtrs Non-Compliance • Unlock →
🔒 Locked Regulated EPA Enforcement Record #8 🔒 Exact Street & Parcel Redacted • SITKA, AK (ZIP 99835 Sector) MODERATE (39/100) Violation Identified (11 qtrs NC) 🔒 11 Qtrs Non-Compliance • Unlock →
USDHS CG AIR STATION SITKA FREE PREVIEW (LOW RISK) 611 AIRPORT RD, SITKA, AK 99835 LOW (20/100) No Violation Identified (0 qtrs NC) $0
SEARHC MT EDGECUMBE HOSPITAL CAMPUS FREE PREVIEW (LOW RISK) 222 TONGASS DR, SITKA, AK 99835 LOW (19/100) No Violation Identified (0 qtrs NC) $0
COASTAL TRANSPORT LLC FREE PREVIEW (LOW RISK) 415 ALICE LOOP, SITKA, AK 99835 LOW (17/100) No Violation Identified (0 qtrs NC) $0
APC ST JOHN BAPTIST BAY LOG TRANSFR FAC FREE PREVIEW (LOW RISK) MI 0 FOREST SERVICE RD 7585, SITKA, AK 99835 LOW (17/100) No Violation Identified (0 qtrs NC) $0
🔒 + 125 Additional Regulated & Enforcement Records in ZIP 99835 Redacted from Public Directory Run 1-Mile Property Scan to Unlock All Records →

Frequently Asked Questions — ZIP 99835 (Sitka, AK) EPA Dataset & Radon

DATASET: U.S. EPA ECHO • FRS • RCRAInfo • TRI (November 01, 2026)

How many EPA-tracked environmental sites are in ZIP code 99835 (Sitka, AK)?

ZIP code 99835 (Sitka, AK) contains 137 EPA-tracked facilities, of which 4 (2.9%) are classified in the High-Risk tier, 28 (20.4%) have active compliance violations, and 47 (34.3%) handle RCRA hazardous waste.

How does ZIP 99835 compare to Sitka City And County and Alaska averages?

In ZIP 99835, 2.9% of regulated sites are rated High Risk, compared to 1.2% across Sitka City And County and 2.0% statewide in Alaska.

What is the EPA Radon Zone and ASTM Phase I screening radius for ZIP 99835?

Geologic screening places ZIP 99835 in EPA Zone 3 — Low Potential (< 2.0 pCi/L). Property buyers should screen a 0.25-mile immediate buffer for vapor-intrusion sources and a 1.0-mile radius for CERCLA/RCRA sites.

Is ZIP 99835 (Sitka, AK) in a FEMA flood zone and what is the flood disaster history?

Sitka City And County has recorded 24 historical FEMA federal disaster declarations (12 flood, hurricane, or severe storm declarations). Run a street address scan in ZIP 99835 to unlock the exact parcel FEMA flood zone (AE / VE / X) and mandatory flood insurance status.

Does ZIP 99835 have expansive clay soil, foundation problems, or drinking water violations?

USDA regional soil screening for ZIP 99835 indicates a LOW shrink-swell risk signal. Within ZIP 99835, federal registries track 2 SDWIS drinking water facilities, 85 Clean Water NPDES permits, and 8 impaired water body dischargers. Unlock a full property report for exact soil LEP %, water table depth, and utility violation dockets.

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